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TABLE 1 <br /> WATER LEVEL DATA <br /> 4445 PEFMING AVENUE,STOCKTON, CALIFORNIA <br /> QMBesunwnents in feet) <br /> Monitoring Well Date Reference Elevation Depth to Groundwater Well <br /> (top of casing)' Groundwater' Elevation Depth <br /> MW-1 01/21/92+ 730 2959 -2229 5030 <br /> 04/21/92+ 2901 -21 71 5020 <br /> 07/13/92+ 3048 -2318 5030 <br /> 10/08/92+ 31 74 -2444 5020 <br /> 01/11/93- 3043 -2313 5022 <br /> MW-2 01/21/92+ 832 3026 -2194 4500 <br /> 04/21/92+ 2968 -21 36 4490 <br /> 07/13/92+ 31 14 -2282 4500 <br /> 10/08/92+ 3233 -2401 4490 <br /> 01/11/93- 31 09 -2277 4485 <br /> MW-3 01/21/92+ 760 2987 -2227 4530 <br /> 04/21/92+ 2923 -21 63 4520 <br /> 07/13/92+ 3068 -2308 4530 <br /> 10/08/92+ 31 91 -2431 4530 <br /> 01/11/93- OBS OBS OBS <br /> MW-4 01/21/92+ 768 2983 -2215 3880 <br /> 04/21/92+ 2924 -2156 3880 <br /> 07/13/92+ 3073 -2305 3890 <br /> 10/08/92+ 31 94 -2426 3890 <br /> 01/11/93- 3068 -2300 3879 <br /> NOTES 1 = Measurement and reference elevation taken from notch on top north side of well casing <br /> 2 = Elevation referenced to mean sea level <br /> OBS = Obstructed, damaged vault lid <br /> + = Measurements collected by Emcon Associates, of Sacramento California <br /> Measurements collected by Blaine Tech Services, Inc of San Jose, California <br /> Well Depth = Measurement from top of casing to bottom of well <br /> Survey of reference elevations performed by Tom O Morrow Inc of Sacramento California a licensed surveyor <br /> 10 <br /> Aegis EnWonmental Inc <br /> 59 016/March 23 1993 <br />